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st-private: Add support for letter-spacing in ClutterText based StWidgets

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Add support in _st_set_text_from_style(), so that this CSS property can
be used from any StWidget holding an internal ClutterText.
This commit is contained in:
Mario Sanchez Prada 2018-03-23 21:11:52 +00:00 committed by Marco Trevisan
parent 695d61968d
commit 376d696b8b
1 changed files with 10 additions and 2 deletions
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12
src/st/st-private.c
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@ -116,6 +116,7 @@ _st_set_text_from_style (ClutterText *text,
PangoAttrList *attribs = NULL; PangoAttrList *attribs = NULL;
const PangoFontDescription *font; const PangoFontDescription *font;
StTextAlign align; StTextAlign align;
gdouble spacing;
st_theme_node_get_foreground_color (theme_node, &color); st_theme_node_get_foreground_color (theme_node, &color);
clutter_text_set_color (text, &color); clutter_text_set_color (text, &color);
@ -123,11 +124,11 @@ _st_set_text_from_style (ClutterText *text,
font = st_theme_node_get_font (theme_node); font = st_theme_node_get_font (theme_node);
clutter_text_set_font_description (text, (PangoFontDescription *) font); clutter_text_set_font_description (text, (PangoFontDescription *) font);
attribs = pango_attr_list_new ();
decoration = st_theme_node_get_text_decoration (theme_node); decoration = st_theme_node_get_text_decoration (theme_node);
if (decoration) if (decoration)
{ {
attribs = pango_attr_list_new ();
if (decoration & ST_TEXT_DECORATION_UNDERLINE) if (decoration & ST_TEXT_DECORATION_UNDERLINE)
{ {
PangoAttribute *underline = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE); PangoAttribute *underline = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
@ -143,6 +144,13 @@ _st_set_text_from_style (ClutterText *text,
*/ */
} }
spacing = st_theme_node_get_letter_spacing (theme_node);
if (spacing)
{
PangoAttribute *letter_spacing = pango_attr_letter_spacing_new ((int)(.5 + spacing) * PANGO_SCALE);
pango_attr_list_insert (attribs, letter_spacing);
}
clutter_text_set_attributes (text, attribs); clutter_text_set_attributes (text, attribs);
if (attribs) if (attribs)